Select the most appropriate meaning of the highlighted idiom in the given sentence.
He knows the ins and outs of the case and has been chosen to defend the accused.

Correct option is D

The correct meaning of the idiom "the ins and outs" in the sentence "He knows the ins and outs of the case and has been chosen to defend the accused" is (d) "complete details."

• Explanation: The idiom "the ins and outs" refers to all the detailed aspects of something, including complexities and nuances. In the context of the sentence, it indicates that the person fully understands every detail of the case.
• Example: As a project manager, she knows the ins and outs of construction, ensuring each project is completed flawlessly.

Similar Idioms:

1. Nuts and bolts: This idiom also means the basic, practical details of something.
   • Example: He's teaching me the nuts and bolts of software programming.
2. The nitty-gritty: This refers to the most essential aspects or practical details of a subject or issue.
   • Example: We finally got down to the nitty-gritty of the contract during the last meeting.